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Full text of "Text Book Of Mechanical Engineering"

Regulator Lever.


bosses and turning them.    Of course the boss must be carefully
centred on the plate, and the blocking must be exactly the same



.ftiq. 22(9.


jf. J^et^er ^tfor

thickness.    The drill point is placed against the centre of the
boss, and the loose headstock brought up to the other end of the